W3Schools Forum > Variables in CFIF

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vchris

Dec 13 2006, 07:43 PM

CODE

<cfif isDefined('form.submitExtraReg')>
    <cfif form.extra neq 0>
        <cfloop index="i" from="1" to="#form.extra#">
            <cfif len(form.extraName_#i#) gt 0 AND len(form.extraEmail_i) gt 0 AND len(form.extraPhone_i) gt 0>
                Success
            </cfif>
        </cfloop>
    </cfif>
</cfif>

I have a loop that creates up to 8 rows of 3 inputs depending on the choice of a drop down. I need to validate these text input. I want to validate them with a cfloop since I don't know how many there could be. Each input is named with a _# (_1, _2, _3) that indicates the row they are on. It seems I get an error with the above code. CF says the # inside the len is invalid. If I just leave it to _i, it doesn't evaluate it. Is there a way to have it evaluate i?

Error

QUOTE

Invalid CFML construct found on line 69 at column 50.
ColdFusion was looking at the following text:<p>#</p><p>The CFML compiler was processing:<ul><li>an expression beginning with "len", on line 69, column 31.This message is usually caused by a problem in the expressions structure.<li>a cfif tag beginning on line 69, column 26.<li>a cfif tag beginning on line 69, column 26.<li>a cfif tag beginning on line 69, column 26.<li>a cfif tag beginning on line 69, column 26.</ul>

<cfif len(form.extraName_#i#) gt 0 AND len(form.extraEmail_i) gt 0 AND len(form.extraPhone_i) gt 0>

Skemcin

Dec 13 2006, 10:17 PM

In these cases, I often try to set and reset variables:

CODE

You might have to rewrite some other logic, but breaking it up can often make it easier.

FYI
As a side note, overall performance is faster by omitting the # in ColdFusion tags when possible.
For instance:
<cfset xname=len(xname)>
instead of
<cfset xname="#len(xname)#">

vchris

Dec 19 2006, 01:58 PM

I get " Invalid CFML construct" because of the #i# inside the cfset...

EDIT: Solved.

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